Change in Cognitive Capabilities in the Oldest Old: The Effects of Proximity to Death in Genetically Related Individuals Over a 6-Year Period.

doi:10.1037/0882-7974.19.1.145

Article

Change in Cognitive Capabilities in the Oldest Old: The Effects of Proximity to Death in Genetically Related Individuals Over a 6-Year Period.

1 Jan 2004

Abstract excerpt

Change in cognitive abilities was assessed over a 6-year period in a sample of monozygotic and same-sex dizygotic twin pairs (N = 507 individuals), aged 80 and older (mean age = 83.3 years: SD = 3.1). who remained nondemented over the course of the study. Latent growth models (LGMs) show that chronological age and time to death are consistent predictors of decline in measures of memory, reasoning, speed, and...

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